That takes me back to the first HP-35 in 1972. It used Reversed Polish Notation. Very few companies produced RPN calculators after that. It took me 25 years to stop looking for the "Enter" button on other types of calculator (algebraic?). Pushing and popping on the stack made complex calcs very simple, so no parentheses were required. Cost $395. I didn't pay - RR paid.

This post prompted me to look on the iPhone. I found an HP-35 simulator. Cost £1-99. Brilliant. It even has a "click" to emulate the keypress. It was the click that made the HP-35 feel like a Rolls Royce compared with its competitor from Texas Instruments.

I can remember a Mathematics teacher setting a project for us, his students to calculate Pi to an many places as we could - I think he expected a maximum of ten to fifteen places. Of course we had access to the school Manframe, and a mischievous nature - So we got the Mainframe to calculate Pi to one hundred decimal places and copied it out longhand and handed it in when due - I believe it took him several days to manually calculate to check we were correct

Our mischievous antics did cause some problems like the time we removed all the fixing screws from the partition wall between two temporary classrooms or connected all the piping feeding the Bunsen burners in the Chem lab to the cold water main

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“But look, you found the notice, didn’t you?”
“Yes,” said Arthur, “yes I did. It was on display in the bottom of a locked filing cabinet stuck in a disused lavatory with a sign on the door saying ‘Beware of the Leopard.”

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as a Phd in Engineering (Electrical) I can honestly say there hasn't been anything the new windows calculator can't do that I've needed. That said I prefer the look of the older one but that's just cosmetic and usually if I'm using a calculator I find doing it on a Samsung smart phone is far easier than messing around in windows unless I have to cut and paste result into spreadsheet etc.

Cheers
jimbo

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I often cut and paste calculator results. I can copy the number displayed on the calculator but then there is no option to paste the number in Microsoft Money.
The calculator in Windows 8 was fine. Is there a better calculator than this feeble...

Just thought this was interesting: the LTSB version of Windows 10 has the Win32 version of the Calculator program. It looks identical to the Windows 7 version.
I'm not sure what the reason for this was because LTSB still has the Modern app...

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